[Serusers] NAT Problem No Voice
Kamran Ahmad
p_kami at yahoo.com
Sun Apr 10 11:27:14 CEST 2005
hello
I am using ser-0.9.0 from onsip with rtpproxy i am
getting only one side voice. what could be the reason.
here is my ser.cfg when i am trying to use
configuration from onsip i am getting error.
----------------------------------------------------
ser.cfg from onsip.org gettingstarted.pdf
#debug=3
#fork=yes
#log_stderror=no
debug=7
fork=no
log_stderror=yes
dns=no
rev_dns=no
fifo="/tmp/ser_fifo"
#fifo_db_url="mysql://ser:heslo@localhost/ser"
#loadmodule "/usr/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.so"
loadmodule "/usr/local/lib/ser/modules/tm.so"
loadmodule "/usr/local/lib/ser/modules/rr.so"
loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
loadmodule "/usr/local/lib/ser/modules/usrloc.so"
loadmodule "/usr/local/lib/ser/modules/registrar.so"
loadmodule "/usr/local/lib/ser/modules/auth.so"
loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
#loadmodule "/usr/local/lib/ser/modules/auth_db.so"
loadmodule "/usr/local/lib/ser/modules/uri.so"
loadmodule "/usr/local/lib/ser/modules/domain.so"
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
loadmodule "/usr/local/lib/ser/modules/textops.so"
loadmodule "/usr/local/lib/ser/modules/uri_radius.so"
#modparam("auth_db|usrloc|uri_db", "db_url",
"mysql://ser:heslo@localhost/ser")
#modparam("auth_db", "calculate_ha1", 1)
#modparam("auth_db", "password_column", "password")
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "rtpproxy_sock",
"unix:/var/run/rtpproxy.sock")
modparam("usrloc", "db_mode", 0)
modparam("registrar", "nat_flag", 6)
modparam("rr", "enable_full_lr", 1)
route {
#
-----------------------------------------------------------------
# Sanity Check Section
#
-----------------------------------------------------------------
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483", "Too Many Hops");
break;
};
if (msg:len > max_len) {
sl_send_reply("513", "Message Overflow");
break;
};
#
-----------------------------------------------------------------
# Record Route Section
#
-----------------------------------------------------------------
if (method!="REGISTER") {
record_route();
};
if (method=="BYE" || method=="CANCEL") {
unforce_rtp_proxy();
}
#
-----------------------------------------------------------------
# Loose Route Section
#
-----------------------------------------------------------------
if (loose_route()) {
if (has_totag() && method=="INVITE") {
if (nat_uac_test("19")) {
setflag(6);
force_rport();
fix_nated_contact();
};
force_rtp_proxy("l");
};
route(1);
break;
};
#
-----------------------------------------------------------------
# Call Type Processing Section
#
-----------------------------------------------------------------
if (uri==myself) {
if (method=="INVITE") {
route(3);
break;
} else if (method=="REGISTER") {
route(2);
break;
};
if (!lookup("location")) {
sl_send_reply("404", "User Not
Found");
break;
};
route(1);
};
}
route[1] {
#
-----------------------------------------------------------------
# Default Message Handler
#
-----------------------------------------------------------------
t_on_reply("1");
if (!t_relay()) {
if (method=="INVITE" && isflagset(6)) {
unforce_rtp_proxy();
};
sl_reply_error();
};
}
route[2] {
#
-----------------------------------------------------------------
# REGISTER Message Handler
#
----------------------------------------------------------------
if (!search("^Contact: \*") &&
nat_uac_test("19")) {
setflag(6);
fix_nated_register();
# fix_nated_contact();
force_rport();
};
sl_send_reply("100", "Trying");
if (!check_to()) {
sl_send_reply("401", "Unauthorized");
break;
};
# consume_credentials();
if (!save("location")) {
sl_reply_error();
};
}
route[3] {
#
-----------------------------------------------------------------
# INVITE Message Handler
#
-----------------------------------------------------------------
if (nat_uac_test("19")) {
setflag(6);
}
if (!lookup("location")) {
sl_send_reply("404", "User Not Found");
break;
};
if(!check_from()) {
sl_send_reply("403", "Use From=ID");
break;
};
# consume_credentials();
if (isflagset(6)) {
force_rport();
fix_nated_contact();
force_rtp_proxy();
};
t_on_reply("1");
if (!t_relay()) {
if(isflagset(6)) {
unforce_rtp_proxy();
}
sl_reply_error();
};
}
onreply_route[1] {
if (isflagset(6) &&
status=~"(180)|(183)|2[0-9][0-9]") {
if (!search("^Content-Length:\ 0")) {
force_rtp_proxy();
};
}
else if (nat_uac_test("1")) {
fix_nated_contact();
};
}
error when starting ser with ser.cfg from onsip.org
-----------------------------------------------------
0(31996) qm_free(0x80fb260, 0x812f9ac), called from
sr_module.c: destroy_modules(357)
0(31996) qm_free: freeing frag. 0x812f994 alloc'ed
from sr_module.c: register_module(136)
0(31996) DEBUG: tm_shutdown : start
0(31996) DEBUG: tm_shutdown : emptying hash table
0(31996) DEBUG: tm_shutdown : releasing timers
0(31996) DEBUG: tm_shutdown : removing semaphores
0(31996) DEBUG: tm_shutdown : destroying tmcb lists
0(31996) DEBUG: tm_shutdown : done
0(31996) qm_free(0x80fb260, 0x812f8bc), called from
sr_module.c: destroy_modules(357)
0(31996) qm_free: freeing frag. 0x812f8a4 alloc'ed
from sr_module.c: register_module(136)
0(31996) qm_free(0x80fb260, 0x812f7cc), called from
sr_module.c: destroy_modules(357)
0(31996) qm_free: freeing frag. 0x812f7b4 alloc'ed
from sr_module.c: register_module(136)
0(31996) shm_mem_destroy
----------------------------------------------------
i am getting only one side voice with this ser.cfg
# ----------- global configuration parameters
------------------------
debug=3 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no # (cmd line: -E)
/* Uncomment these lines to enter debugging mode
fork=no
log_stderror=yes
*/
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/ser_fifo"
# ------------------ module loading
----------------------------------
# Uncomment this if you want to use SQL database
#loadmodule "/usr/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.so"
loadmodule "/usr/local/lib/ser/modules/tm.so"
loadmodule "/usr/local/lib/ser/modules/rr.so"
loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
loadmodule "/usr/local/lib/ser/modules/usrloc.so"
loadmodule "/usr/local/lib/ser/modules/registrar.so"
loadmodule "/usr/local/lib/ser/modules/textops.so"
# Uncomment this if you want digest authentication
# mysql.so must be loaded !
#loadmodule "/usr/local/lib/ser/modules/auth.so"
#loadmodule "/usr/local/lib/ser/modules/auth_db.so"
# !! Nathelper
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
#startsetting for rtpProxy
#
#loadmodule "/usr/local/lib/ser/modules/uri_db.so"
#
#end setting for rtpproxy
# ----------------- setting module-specific parameters
---------------
# -- usrloc params --
modparam("usrloc", "db_mode", 0)
# Uncomment this if you want to use SQL database
# for persistent storage and comment the previous line
#modparam("usrloc", "db_mode", 2)
# -- auth params --
# Uncomment if you are using auth module
#
#modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which
true in this config),
# uncomment also the following parameter)
#
#modparam("auth_db", "password_column", "password")
# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)
# !! Nathelper
modparam("registrar", "nat_flag", 6)
modparam("nathelper", "natping_interval", 30) # Ping
interval 30 s
modparam("nathelper", "ping_nated_only", 1) # Ping
only clients behind NAT
#Start of RtpProxy setting
#
modparam("nathelper", "rtpproxy_sock",
"unix:/var/run/rtpproxy.sock")
#
#End of RtpProxy Setting
# ------------------------- request routing logic
-------------------
# main routing logic
route{
# initial sanity checks -- messages with
# max_forwards==0, or excessively long requests
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
break;
};
if (msg:len >= max_len ) {
sl_send_reply("513", "Message too big");
break;
};
# !! Nathelper
# Special handling for NATed clients; first, NAT test
is
# executed: it looks for via!=received and RFC1918
addresses
# in Contact (may fail if line-folding is used);
also,
# the received test should, if completed, should
check all
# vias for rpesence of received
if (nat_uac_test("3")) {
# Allow RR-ed requests, as these may indicate that
# a NAT-enabled proxy takes care of it; unless it is
# a REGISTER
if (method == "REGISTER" || !
search("^Record-Route:")) {
log("LOG: Someone trying to register from
private IP, rewriting\n");
# This will work only for user agents that
support symmetric
# communication. We tested quite many of them
and majority is
# smart enough to be symmetric. In some phones
it takes a configuration
# option. With Cisco 7960, it is called
NAT_Enable=Yes, with kphone it is
# called "symmetric media" and "symmetric
signalling".
fix_nated_contact(); # Rewrite contact with
source IP of signalling
if (method == "INVITE") {
fix_nated_sdp("1"); # Add direction=active
to SDP
};
force_rport(); # Add rport parameter to topmost
Via
setflag(6); # Mark as NATed
};
};
# we record-route all messages -- to make sure that
# subsequent messages will go through our proxy;
that's
# particularly good if upstream and downstream
entities
# use different transport protocol
if (!method=="REGISTER") record_route();
#start of RtpProxy Setting
#
# if (method=="BYE" || method=="CANCEL") {
# unforce_rtp_proxy();
# }
#
#end of RtpProxy Setting
# subsequent messages withing a dialog should take
the
# path determined by record-routing
if (loose_route()) {
# mark routing logic in request
#start of rtpproxy setting
# if (has_totag() && method=="INVITE") {
# if (nat_uac_test("19")) {
# setflag(6);
# force_rport();
# fix_nated_contact();
# };
#
# force_rtp_proxy("l");
# };
#
#end of rtpproxy setting
append_hf("P-hint: rr-enforced\r\n");
route(1);
break;
};
if (!uri==myself) {
# mark routing logic in request
append_hf("P-hint: outbound\r\n");
route(1);
break;
};
# if the request is for other domain use UsrLoc
# (in case, it does not work, use the following
command
# with proper names and addresses in it)
if (uri==myself) {
if (method=="REGISTER") {
# Uncomment this if you want to use digest
authentication
# if (!www_authorize("iptel.org", "subscriber")) {
# www_challenge("iptel.org", "0");
# break;
# };
save("location");
break;
};
lookup("aliases");
if (!uri==myself) {
append_hf("P-hint: outbound alias\r\n");
route(1);
break;
};
# native SIP destinations are handled using our
USRLOC DB
if (!lookup("location")) {
sl_send_reply("404", "Not Found");
break;
};
};
append_hf("P-hint: usrloc applied\r\n");
route(1);
}
route[1]
{
#start of rtpproxy setting
# t_on_reply("1");
#
# if (!t_relay()) {
# if (method=="INVITE" && isflagset(6)) {
# unforce_rtp_proxy();
# };
#
# sl_reply_error();
# };
#end of rtpproxy setting
# !! Nathelper
if
(uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)"
&& !search("^Route:")){
sl_send_reply("479", "We don't forward to private
IP addresses");
break;
};
# if client or server know to be behind a NAT, enable
relay
if (isflagset(6)) {
force_rtp_proxy();
};
# NAT processing of replies; apply to all
transactions (for example,
# re-INVITEs from public to private UA are hard to
identify as
# NATed at the moment of request processing); look at
replies
t_on_reply("1");
# send it out now; use stateful forwarding as it
works reliably
# even for UDP2TCP
if (!t_relay()) {
sl_reply_error();
};
}
#--------------reply route
block--------------------------------
# !! Nathelper
onreply_route[1] {
# NATed transaction ?
if (isflagset(6) && status =~ "(183)|2[0-9][0-9]")
{
fix_nated_contact();
force_rtp_proxy();
# otherwise, is it a transaction behind a NAT and
we did not
# know at time of request processing ? (RFC1918
contacts)
} else if (nat_uac_test("1")) {
fix_nated_contact();
};
}
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